tearthumb

tearthumb
Any of a group of annual vining plants within the genus Polygonum, with small sharp spines covering the stems.

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  • Tearthumb — Tearthumbs are a group of annual vining plants within the genus Polygonum , notable for the small, sharp spines covering the stems, which tear the thumb , leading to the common name. The spines are used for climbing, and can puncture the leaves… …   Wikipedia

  • tearthumb — ˈ ̷ ̷ˌ ̷ ̷ noun Etymology: tear (III) + thumb; from the minute prickles on the stem : any of several plants of the genus Polygonum having prickly stems …   Useful english dictionary

  • On Nature's Trail — was a television show produced by the Maryland Center for Public Broadcasting in Owings Mills, Maryland in 1978. The show featured Elmer and Jean Worthley observing and discussing plants growing at different locations in Baltimore County,… …   Wikipedia

  • Polygonum arifolium — ID 66262 Symbol Key POAR6 Common Name halberdleaf tearthumb Family Polygonaceae Category Dicot Division Magnoliophyta US Nativity Native to U.S. US/NA Plant Yes State Distribution CT, DC, DE, GA, IL, IN, KY, LA, MA, MD, ME, MI, MN, MO, NC, NH, NJ …   USDA Plant Characteristics

  • Mile-a-minute weed — Taxobox name = Mile a minute weed image width = 250px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Polygonales familia = Polygonaceae genus = Polygonum species = P. perfoliatum binomial = Polygonum perfoliatum binomial… …   Wikipedia

  • List of Canadian plants by family PQ — Main page: List of Canadian plants by familyFamilies: A | B | C | D | E | F | G | H | I J K | L | M | N | O | P Q | R | S | T | U V W | X Y Z Paeoniaceae * Paeonia brownii western peony Pallaviciniaceae * Moerckia blyttii * Moerckia hibernica *… …   Wikipedia

  • Polygonum sagittatum — Taxobox name = arrowleaf tearthumb image width = 240px image caption = Inflorescences regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Caryophyllales familia = Polygonaceae genus = Polygonum species = P. sagittatum binomial …   Wikipedia

  • Persicaria perfoliata — Mile a minute weed Scientific classification Kingdom: Plantae (unranked) …   Wikipedia

  • Persicaria — Taxobox name = Persicaria image width = 240px image caption = Flowering spike of Persicaria maculata regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Caryophyllales familia = Polygonaceae genus = Persicaria genus authority …   Wikipedia

  • Polygonum — Knotgrass redirects here. For the moth, see Acronicta rumicis. Polygonum Polygonum coccineum Scientific classification Kingdom …   Wikipedia

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